Astyanax Macal
📖 Overview
Astyanax Macal (Astyanax macal) is a ray-finned fish of the family Acestrorhamphidae. It inhabits freshwater waters. This species can reach a maximum total length of 6.7 cm. With a trophic level of 3, it is a low-level carnivore, feeding on invertebrates and small organisms.
🔬 Taxonomy
🐟 Physical Description
Dorsal soft rays (total): 10; Anal soft rays: 21 - 24; Vertebrae: 34. Astyanax macal is distinguished from other congeners in Yucatan, Peten and Belize by having the following characters: predorsal length, 50% SL or shorter (50% or longer in A. altior and A. angustifrons); least depth, 12% SL or less (12% or more in A. altior); origin of anal fin usually without overlap to last dorsal-fin ray (usually overlapping in A. baileyi); double scaly sheath in anal-fin base (vs. single); bifid nuptial tubercles in male (vs. always simple); rostral fontanel, sides convex (vs. usually straight) .
🌀 Behaviour
Behavioural data for Astyanax Macal is currently being reviewed.
🦐 Diet
Diet information for Astyanax Macal is currently being compiled.
🥚 Reproduction
Reproduction data for Astyanax Macal is currently being compiled.
🌍 Habitat & Distribution
Freshwater; benthopelagic. Tropical Central America: endemic to the upper Macal River in Maya Mountains, Belize.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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